Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. executing program [ 54.872059][ T8431] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 58.062217][ T8401] ------------[ cut here ]------------ [ 58.067870][ T8401] Trying to write to read-only block-device sda1 (partno 1) [ 58.076325][ T8401] WARNING: CPU: 0 PID: 8401 at block/blk-core.c:707 submit_bio_checks+0x1448/0x1a50 [ 58.086513][ T8401] Modules linked in: [ 58.090442][ T8401] CPU: 0 PID: 8401 Comm: kworker/u4:9 Not tainted 5.11.0-rc7-syzkaller #0 [ 58.099039][ T8401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.109382][ T8401] Workqueue: writeback wb_workfn (flush-8:0) [ 58.115488][ T8401] RIP: 0010:submit_bio_checks+0x1448/0x1a50 [ 58.121698][ T8401] Code: e0 05 00 00 48 89 d8 48 c1 e8 03 8a 04 08 84 c0 0f 85 e7 05 00 00 0f b6 13 48 c7 c7 60 75 0b 8a 4c 89 f6 31 c0 e8 38 eb 93 fd <0f> 0b e9 0f f1 ff ff e8 cc 77 c4 fd c6 05 e0 46 ed 09 01 48 8d 74 [ 58.141516][ T8401] RSP: 0018:ffffc90001bcf350 EFLAGS: 00010246 [ 58.147812][ T8401] RAX: 7b9d9787221bde00 RBX: ffff88801a5c2860 RCX: ffff888011fab780 [ 58.155969][ T8401] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.164258][ T8401] RBP: ffffc90001bcf400 R08: ffffffff815fb522 R09: ffffed10173860b8 [ 58.173328][ T8401] R10: ffffed10173860b8 R11: 0000000000000000 R12: ffff88801a5c2280 [ 58.181435][ T8401] R13: ffff88801e8968c0 R14: ffffc90001bcf3a0 R15: ffff88801e8968e8 [ 58.189643][ T8401] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 58.198792][ T8401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.205587][ T8401] CR2: 000055e4088d1630 CR3: 0000000019f07000 CR4: 00000000001506f0 [ 58.213771][ T8401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.223943][ T8401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.233848][ T8401] Call Trace: [ 58.237402][ T8401] submit_bio_noacct+0x36/0xf70 [ 58.244154][ T8401] ? rcu_lock_release+0x5/0x20 [ 58.249052][ T8401] ? wbc_account_cgroup_owner+0xb4/0x310 [ 58.256073][ T8401] submit_bio+0x1a4/0x610 [ 58.260477][ T8401] __block_write_full_page+0x8fb/0x1080 [ 58.268207][ T8401] ? mark_buffer_write_io_error+0x340/0x340 [ 58.275067][ T8401] ? blkdev_direct_IO+0xd0/0xd0 [ 58.280091][ T8401] __writepage+0x60/0x120 [ 58.285880][ T8401] write_cache_pages+0x8b7/0xdb0 [ 58.291083][ T8401] ? generic_writepages+0xd0/0xd0 [ 58.297399][ T8401] generic_writepages+0x8f/0xd0 [ 58.303162][ T8401] ? blkdev_readpage+0x20/0x20 [ 58.307957][ T8401] do_writepages+0xda/0x1f0 executing program [ 58.313724][ T8401] ? rcu_read_lock_sched_held+0x41/0xb0 [ 58.319791][ T8401] __writeback_single_inode+0xd4/0x5f0 [ 58.326839][ T8401] writeback_sb_inodes+0x919/0x17e0 [ 58.332852][ T8401] wb_writeback+0x483/0x900 [ 58.337411][ T8401] wb_workfn+0x96d/0x1200 [ 58.343000][ T8401] process_one_work+0x789/0xfc0 [ 58.347885][ T8401] worker_thread+0xac1/0x1300 [ 58.353831][ T8401] ? _raw_spin_unlock_irqrestore+0x2e/0x60 [ 58.359662][ T8401] ? __kthread_parkme+0x148/0x190 [ 58.365958][ T8401] ? rcu_lock_release+0x20/0x20 [ 58.370853][ T8401] kthread+0x39a/0x3c0 [ 58.376598][ T8401] ? rcu_lock_release+0x20/0x20 [ 58.381758][ T8401] ? kthread_blkcg+0xd0/0xd0 [ 58.388279][ T8401] ret_from_fork+0x1f/0x30 [ 58.393537][ T8401] Kernel panic - not syncing: panic_on_warn set ... [ 58.400147][ T8401] CPU: 0 PID: 8401 Comm: kworker/u4:9 Not tainted 5.11.0-rc7-syzkaller #0 [ 58.408780][ T8401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.418844][ T8401] Workqueue: writeback wb_workfn (flush-8:0) [ 58.424876][ T8401] Call Trace: [ 58.428295][ T8401] dump_stack+0x137/0x1be [ 58.432754][ T8401] ? panic+0x1f3/0x800 [ 58.436836][ T8401] panic+0x291/0x800 [ 58.441080][ T8401] ? __warn+0x13e/0x270 [ 58.445492][ T8401] __warn+0x26a/0x270 [ 58.449653][ T8401] ? submit_bio_checks+0x1448/0x1a50 [ 58.455260][ T8401] ? submit_bio_checks+0x1448/0x1a50 [ 58.460556][ T8401] report_bug+0x1b1/0x2e0 [ 58.464899][ T8401] handle_bug+0x3d/0x70 [ 58.469081][ T8401] exc_invalid_op+0x16/0x40 [ 58.473590][ T8401] asm_exc_invalid_op+0x12/0x20 [ 58.478464][ T8401] RIP: 0010:submit_bio_checks+0x1448/0x1a50 [ 58.484366][ T8401] Code: e0 05 00 00 48 89 d8 48 c1 e8 03 8a 04 08 84 c0 0f 85 e7 05 00 00 0f b6 13 48 c7 c7 60 75 0b 8a 4c 89 f6 31 c0 e8 38 eb 93 fd <0f> 0b e9 0f f1 ff ff e8 cc 77 c4 fd c6 05 e0 46 ed 09 01 48 8d 74 [ 58.504010][ T8401] RSP: 0018:ffffc90001bcf350 EFLAGS: 00010246 [ 58.510137][ T8401] RAX: 7b9d9787221bde00 RBX: ffff88801a5c2860 RCX: ffff888011fab780 [ 58.518251][ T8401] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 58.526333][ T8401] RBP: ffffc90001bcf400 R08: ffffffff815fb522 R09: ffffed10173860b8 [ 58.534326][ T8401] R10: ffffed10173860b8 R11: 0000000000000000 R12: ffff88801a5c2280 [ 58.542296][ T8401] R13: ffff88801e8968c0 R14: ffffc90001bcf3a0 R15: ffff88801e8968e8 [ 58.550276][ T8401] ? wake_up_klogd+0xb2/0xf0 [ 58.554904][ T8401] submit_bio_noacct+0x36/0xf70 [ 58.559774][ T8401] ? rcu_lock_release+0x5/0x20 [ 58.564558][ T8401] ? wbc_account_cgroup_owner+0xb4/0x310 [ 58.570518][ T8401] submit_bio+0x1a4/0x610 [ 58.574869][ T8401] __block_write_full_page+0x8fb/0x1080 [ 58.580844][ T8401] ? mark_buffer_write_io_error+0x340/0x340 [ 58.586750][ T8401] ? blkdev_direct_IO+0xd0/0xd0 [ 58.591644][ T8401] __writepage+0x60/0x120 [ 58.596216][ T8401] write_cache_pages+0x8b7/0xdb0 [ 58.601307][ T8401] ? generic_writepages+0xd0/0xd0 [ 58.606428][ T8401] generic_writepages+0x8f/0xd0 [ 58.611333][ T8401] ? blkdev_readpage+0x20/0x20 [ 58.616269][ T8401] do_writepages+0xda/0x1f0 [ 58.620923][ T8401] ? rcu_read_lock_sched_held+0x41/0xb0 [ 58.626679][ T8401] __writeback_single_inode+0xd4/0x5f0 [ 58.632152][ T8401] writeback_sb_inodes+0x919/0x17e0 [ 58.637435][ T8401] wb_writeback+0x483/0x900 [ 58.641976][ T8401] wb_workfn+0x96d/0x1200 [ 58.646373][ T8401] process_one_work+0x789/0xfc0 [ 58.651263][ T8401] worker_thread+0xac1/0x1300 [ 58.655969][ T8401] ? _raw_spin_unlock_irqrestore+0x2e/0x60 [ 58.661877][ T8401] ? __kthread_parkme+0x148/0x190 [ 58.666926][ T8401] ? rcu_lock_release+0x20/0x20 [ 58.671788][ T8401] kthread+0x39a/0x3c0 [ 58.675892][ T8401] ? rcu_lock_release+0x20/0x20 [ 58.680768][ T8401] ? kthread_blkcg+0xd0/0xd0 [ 58.685507][ T8401] ret_from_fork+0x1f/0x30 [ 58.690605][ T8401] Kernel Offset: disabled [ 58.695056][ T8401] Rebooting in 86400 seconds..